AC 203 then DL 3764 at Vancouver
Calgary → Vancouver → Seattle (SEA)
Timetable, Vancouver time
08:47AC 203 from Calgary at the gate
08:26DL 3764 to Seattle (SEA) leaves the gate
23 h 39 apart on the timetable, overnight
DL 3764 leaves 23 h 39 after AC 203 arrives on the timetable: more than half a day, so not a connection we count.